Oddschecker, a site that compares odds across a number of prominent betting sites, also found that Harris consistently receives better odds than her Democratic counterparts.

The site gives Kamala Harris 9/2 odds to win the Democratic nomination, followed by Joe Biden with 11/2 odds.

Even though Oddschecker gives Harris better odds than Sanders to win the Democratic primary (9/2 to 6/1), the two both have identical 9/1 odds to win the presidential election, trailing President Trump who has 11/8 odds to get re-elected.

Harris has long been rumored to be a presidential candidate in 2020.

A May report from The Hill stated that Harris was gearing up for a "shadow campaign" in red states to help 2018 Democratic congressional candidates campaign for the midterm elections in November.

The California freshman senator is also set to release a memoir in early 2019, a move that has further fueled 2020 speculation.